.container{
  margin: 40px auto;
  text-align: center;
}
.box-item {
  position: relative;
  display: inline-block;
  width: 54px;
  height: 82px;
  background-color: #ccc;
  /* background: url("./../img/bg.png") no-repeat center center; */
  background-size: 100% 100%;
  font-size: 62px;
  line-height: 82px;
  text-align: center;
  position: relative;
  writing-mode: vertical-lr;
  text-orientation: upright;
  overflow: hidden; /* 没有这个属性的话能看到全部数字上下滚动 */
}
.box-item span {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translate(-50%,0);
  transition: transform 1s ease;
  letter-spacing: 10px;
  color: orange;
}
